Pos | Rank | Heat | Bib | Athlete | Mark | Details | Reaction Time | |
|---|---|---|---|---|---|---|---|---|
1 | 1 | 1 | 976 | USA | 48.98 | Q | 0.295 | |
2 | 1 | 5 | 973 | USA | 49.05 | Q | 0.142 | |
3 | 2 | 5 | 545 | JPN | 49.17 | Q | 0.163 | |
4 | 3 | 5 | 708 | PAN | 49.18 | Q | 0.147 | |
5 | 1 | 4 | 413 | GRE | 49.22 | Q | 0.190 | |
6 | 1 | 2 | 511 | JAM | 49.33 | Q | 0.162 | |
7 | 1 | 3 | 995 | USA | 49.34 | Q | 0.154 | |
8 | 2 | 4 | 798 | RSA | 49.35 | Q | 0.187 | |
9 | 2 | 1 | 507 | JAM | 49.37 | Q | 0.188 | |
10 | 2 | 3 | 207 | DOM | 49.47 | Q | 0.150 | |
11 | 2 | 2 | 324 | FRA | 49.58 | Q | 0.216 | |
12 | 3 | 3 | 551 | KAZ | 49.67 | Q | 0.133 | |
13 | 4 | 5 | 588 | KSA | 49.70 | Q | 0.134 | |
14 | 3 | 4 | 357 | GBR | 49.73 | Q | 0.210 | |
15 | 4 | 4 | 496 | JAM | 49.79 | Q | 0.198 | |
16 | 3 | 1 | 779 | RSA | 49.81 | Q | 0.138 | |
17 | 3 | 2 | 462 | ITA | 49.87 | Q | 0.184 | |
18 | 4 | 2 | 531 | JPN | 49.87 | Q | 0.181 | |
19 | 4 | 1 | 179 | CUB | 49.96 | Q | 0.220 | |
20 | 4 | 3 | 783 | RSA | 49.98 | Q | 0.136 | |
21 | 5 | 1 | 375 | GER | 50.04 | q | 0.152 | |
22 | 5 | 3 | 177 | CUB | 50.13 | q | 0.265 | |
23 | 6 | 3 | 248 | ESP | 50.22 | q | 0.160 | |
24 | 5 | 2 | 292 | FIN | 50.23 | q | 0.230 | |
25 | 6 | 2 | 884 | SWE | 50.35 | 0.150 | ||
26 | 6 | 1 | 653 | MLI | 50.62 | 0.195 | ||
27 | 5 | 4 | 606 | LBR | 50.90 NR | 0.146 | ||
28 | 5 | 5 | 433 | HUN | 51.36 | 0.167 | ||
29 | 7 | 1 | 656 | MOZ | 52.04 | 0.219 | ||
30 | 7 | 3 | 574 | KGZ | 53.44 | 0.172 | ||
31 | 6 | 5 | 907 | TGA | 56.06 | 0.288 | ||
4 | 192 | CZE | DQ | 0.375 | ||||
5 | 750 | POR | DNF | 0.134 |